Where do you go to learn how to make ice cream?

Three people enter a room and have a green or blue hat placed on their heads. They cannot see their own hat but can see the other hats.
The colour of each hat is purely random. They could all be green, blue, or any combination of green and blue.
They need to guess their own hat colour by writing it on a piece of paper, or they can write 'pass'.
They cannot communicate with each other in any way once the game starts. But they can have a strategy meeting before the game.
If at least one of them guesses correctly they win $10,000 each, but if anyone guesses incorrectly they all get nothing.
What is the best strategy?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

Spot the cat in the picture below

Can you find the six hidden animals in the picture below?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

Can you find the missing piece of the Porsche?

You walk into a creepy house by yourself. There is no electricity, plumbing, or ventilation. Inside you notice 3 doors with numbers on them. Once you open the doors you will die a particular way. Door No.1 You’ll be eaten by a lion who is hungry. Door No.2 You’ll be stabbed to death. Door No.3 There is an electric chair waiting for you. Which door do you pick?